36 jobs found in London Borough of Barnet

ServiceNow Developer £85-£90 per hour (Inside IR35) 12-Month Contract Hybrid Working - Soho, London We're looking for an experienced ServiceNow Developer to join a high-profile digital platform team supporting globally used content and partner management systems. This is an opportunity to work on large-scale, business-critical applications used by internal and external stakeholders worldwide. The successful candidate will be a proactive and technically strong ServiceNow professional who enjoys collaborating across multiple teams, influencing stakeholders, and delivering high-quality platform solutions in a fast-paced Agile environment. Key Responsibilities Design, develop, and implement solutions across the ServiceNow platform Provide technical expertise and best-practice guidance on ServiceNow capabilities Work closely with business and technical stakeholders to gather and refine requirements Translate business requirements into scalable technical solutions Plan, estimate,...

Job title: Technical Programme Manager - Workstream Lead Contract: 6 Months Location: London (Paddington, Hybrid) IR35: Inside Sector: Retail As a Technical Programme Manager, you support complex cross team initiatives and programmes, ensuring work progresses smoothly through effective planning, coordination and removal of delivery impediments. As a programme manager you will be accountable for leading the end to end delivery of a defined workstream on the client implementation of SAP. You will build and manage the plan ensuring successful delivery across design, build, test, deployment, and stabilisation. You help identify pain points and delivery inefficiencies, support agile ways of working, and strengthen sequencing, dependency management and escalation mechanisms within and across teams. You provide practical delivery support through tracking progress, coordinating ceremonies, managing programme budgets, supporting release activities and ensuring clarity of priorities....

SOC Analyst (Contract) - SC Cleared Required Location: Cheltenham (Remote - UK Based) Rate: £500 - £685 per day (Umbrella, Inside IR35) Contract Length: 3 Months SC Clearence: Due to the sensitive nature of the work, candidates must hold active UK Government Security Clearance (SC). The Opportunity We are looking for a SOC Analyst to join a high-performing Security Operations Centre (SOC) team delivering critical cyber defence capabilities within a secure client environment. This is an exciting opportunity to work on impactful projects, collaborating with experienced security professionals while gaining hands-on exposure to real-world cyber threats in a fast-paced, dynamic setting. Key Responsibilities As a SOC Analyst, you will: Monitor, triage, and respond to security alerts and incidents Investigate and analyse potential threats across multiple environments Escalate security events in line with defined processes Support continuous improvement through alert tuning and...

Azure DevOps Engineer Contract: 6 Months Initial Rate: £500/day Inside IR35 Location: Split between Leeds or London (1-2 days per month onsite) We're supporting a major public sector programme looking for an experienced Azure DevOps Engineer to join an established cloud platform team. You'll be responsible for managing and improving Azure infrastructure, CI/CD pipelines, environment management and platform security, while supporting an ongoing migration and future Azure migration activities. Key Requirements: Strong Azure infrastructure experience, including Azure Front Door, Container Apps, Key Vault, DNS and Storage Proven Infrastructure as Code expertise using Bicep (essential) and Terraform Experience with GitHub Actions and Azure DevOps pipelines Strong understanding of secure deployment practices and environment promotion strategies Experience managing containerised workloads in Azure Knowledge of identity and authentication solutions including Keycloak and OpenID...

Role: Data Scientist / Engineer Location: Remote / London - up to 1 day per week on-site Duration: 5 Months Day rate: £560 Inside IR35 Role Overview We are seeking an experienced Data Scientist with strong Data Engineering capabilities to support the Digital Screening programme. This role will play a key part in shaping a new digital screening service by leading exploratory analysis and supporting the development of high-quality dashboards and reporting products. You will work within a multidisciplinary Agile team, collaborating with Data Engineers, Analysts, and User-Centred Design (UCD) professionals to deliver robust, data-driven insights and scalable data solutions. Key Responsibilities Lead exploratory data analysis (EDA) to inform dashboard design and reporting outputs Define data requirements and determine appropriate dashboard content Identify and mitigate data quality risks and ensure data integrity Design, build, and maintain reusable data pipelines and datasets...

Cyber Security Architect (Hybrid - London) - IAM/Cloud/Infrastructure Type: Contract 6+ months Rate: Up to £750 a day (Inside IR35) Location: Hybrid - 3 days per week onsite (London office) Overview An established national organisation is seeking an experienced Cyber Security Architect to help shape and safeguard its enterprise technology landscape. This is a senior, influential contract role ideal for someone who blends strategic architectural thinking with practical, delivery‑focused cyber security expertise. You will work across technology, business, and governance teams, ensuring solutions are secure, risk‑aligned, and supportive of wider organisational objectives. This role offers the opportunity to solve complex security challenges, influence senior stakeholders, and design security approaches that enable the business. Skills & Experience Required Core Competencies Strong influencing and negotiation skills. Ability to communicate clearly across written, verbal,...

Infrastructure Tester +3 months + +Hybrid working 2 days on site in London +Inside IR35 +£275 - £300 a day We are seeking an experienced Tester to join a fast-paced technology team on an initial 3-month contract. This is a broad, hands-on testing role that extends well beyond traditional software testing. You will be responsible for validating infrastructure, environments, deployments, integrations and enterprise applications, ensuring robust, secure and reliable solutions are delivered across a diverse technology landscape. Working closely with Development, DevOps and Project teams, you will plan, execute and continually improve testing activities across cloud, on-premise and enterprise environments. Key Responsibilities Design, execute and maintain manual test plans across infrastructure, backend services and application layers. Validate deployments, configuration changes and environment stability across cloud, server and CI/CD environments. Perform integration,...

Lead Cloud Architect - Azure Transformation Location: Central London or Sheffield (Hybrid - 2 days onsite, with some travel between both sites) Contract: Initial 12 months with extensions (2-3 year transformation programme) Rate: £750-£900 per day (Inside IR35) Shape the Future of Cloud at one of the UK's Largest Organisations Are you an experienced Senior Cloud Architect with deep knowledge of Azure based cloud transformations? Do you have exceptional stakeholder engagement skills and a track record of significant contributions to complex, enterprise-scale environments? If so, apply now for this new role. We are looking for a highly experienced Senior Cloud Architect / Senior Azure Architect to play a pivotal role in a major enterprise-wide digital transformation programme. The successful Senior Cloud Architect / Senior Azure Architect will be an energetic, enthusiastic and charismatic leader, who can build key relationships with senior stakeholders as well as key internal...

Senior QAT Analyst Remote £440 per day inside ir35 6 months duration Active SC clearance required We are currently seeking an experienced Senior QA Test Analyst to join a high-profile digital transformation programme within a secure government environment. This is an exciting opportunity for a quality-focused professional who thrives in complex technical environments and enjoys working closely with both technical teams and business stakeholders to deliver robust, high-quality solutions. You'll play a key role in shaping testing strategies, driving quality assurance best practices, and ensuring critical services meet both functional and non-functional requirements. What You'll Be Doing Leading the design, development and execution of comprehensive test plans and test cases. Ensuring quality is embedded throughout the software delivery lifecycle. Working with stakeholders to understand business requirements and identify quality risks. Managing, reporting and driving the...

Security Architect - Cloud Security £550-£620 per day Umbrella | Inside IR35 Location: UK Based (Hybrid/Remote options available) Sector: UK Central Government Contract: 30 Weeks We are currently looking for an experienced Security Architect to join a high-profile programme within the UK Central Government sector. This is an exciting opportunity to play a key role in the "(phone number removed) Cab Off One Login" project, helping shape and deliver secure cloud architecture solutions across a complex enterprise environment. The Role As a Security Architect, you will define and deliver robust cloud security frameworks and architectures that align with business requirements, operational performance goals, and government security standards. You will act as a Subject Matter Expert (SME), influencing key stakeholders, advising technical teams, and contributing to strategic security decisions across multiple workstreams. This role requires strong expertise across cloud security...

IT Support Specialist (Mac Support) £650 - £675 P/D Inside IR35 Duration: 6 months, scope to extent Clearance: Active SC Location: Hybrid, London - Flexibility is essential - may require daily onsite presence for periods (e.g. 2 weeks), followed by fully remote periods Overview We're looking for an experienced IT Support / Mac Support Specialist to support the setup of a small, highly focused IT function within a regulated and complex environment. This role centres around managing and supporting a fleet of MacBooks, ensuring they are configured, maintained, and optimised using modern tooling and infrastructure-as-code approaches. The successful candidate will play a key part in establishing and delivering this capability, working both strategically and hands-on. This is a delivery-focused role requiring a proactive, self-sufficient individual who can take ownership of outcomes and operate with minimal direction. Key Responsibilities - Manage and support a fleet of MacBooks...

SC Cleared Security Architect 6 month contract + Inside IR35 Hybrid - 1x a month in London Up to £600 p/d What we're looking for Active SC clearance Strong AWS security architecture experience Experience working in secure, regulated or public sector environments Good understanding of cloud security controls, patterns and governance Familiarity with DevOps, CI/CD, infrastructure-as-code and modern engineering practices Experience designing or reviewing solutions across cloud, legacy or hybrid environments Ability to apply structured analysis to real-world security challenges Knowledge of risk methodologies and how to apply them proportionately Strong stakeholder engagement skills, with the ability to explain technical security issues clearly Comfortable working collaboratively across multidisciplinary delivery teamsNice to have Understanding of Home Office or central government security processes Knowledge of secure cloud platforms, landing zones, guardrails or core cloud...

Middleware Engineer Location: London, Reading or Leeds - Hybrid - 2 to 3 days per week onsite Start Date: ASAP Contract Rate: £375–£460 per day inside IR35 Working Pattern: On-call shifts Duration: 6 to 12 months initially Role Overview Our client is seeking a Middleware Engineer to support and maintain enterprise middleware platforms within a fast-paced IT operations environment. You’ll play a key role in ensuring system stability, performance, and availability, working closely with cross-functional teams across application, infrastructure, and database services. Key Responsibilities * Support and maintain middleware across production and non-production environments * Monitor performance, logs, and alerts (e.g., Splunk, Dynatrace) * Troubleshoot incidents, perform root cause analysis, and resolve within SLAs * Execute SQL queries for validation and troubleshooting * Work within Linux/Unix environments for deployments and system checks * Support API...

MLOps Engineer Location: Remote (Occasional travel to their London office) Contract: Inside IR35 Day rate: Up to £800 per day Duration: 6 months Start date: ASAP Key words: Machine Learning, Python, containerization (Docker), CI/CD, Azure As part of our Client's AI Engineering team, you will own the infrastructure and delivery pipelines that keep our AI-driven products reliable, scalable, and fast. You will design and maintain the cloud environments, CI/CD workflows, and observability systems that enable our engineers to ship with confidence. Key Skills: - Solid programming skills in Python (plus experience with web libraries like FastAPI, Flask, or Django) - Hands-on experience with ML model deployment and monitoring in production Knowledge of containerization (Docker) - Experience with CI/CD pipelines and cloud environments (we use Azure) Assignment Objectives - Implement or improve model monitoring and operational controls for AI/ML systems. - Build and...

Data Engineer London / remote £429 per day inside IR35 6 months duration Active SC clearance We are seeking a Senior Data Engineer to join a high-performing team delivering large-scale cloud and data transformation programmes. This is an exciting opportunity to work on complex data platforms, leveraging modern cloud technologies and best-in-class engineering practices to build scalable, secure, and high-quality data solutions. You'll play a key role in designing and developing data pipelines, integrating data from multiple sources, and helping organisations unlock the value of their data through robust engineering and architecture. What You'll Be Doing Designing, developing, and optimising enterprise-scale data pipelines. Building cloud-native data solutions using AWS and Azure. Developing and supporting ETL/ELT processes using Informatica. Working with large datasets to ensure data quality, performance, and reliability. Collaborating with architects, developers, analysts,...

Senior Platform Engineer Location: Remote (Occasional travel to their London office) Contract: Inside IR35 Day rate: Up to £800 per day Duration: 6 months Start date: ASAP Key words: Azure, Terraform, containerization, CI/CD As part of our Client's AI Engineering team, you will own the infrastructure and delivery pipelines that keep our AI-driven products reliable, scalable, and fast. You will design and maintain the cloud environments, CI/CD workflows, and observability systems that enable our engineers to ship with confidence. Key Skills: - Strong experience with Azure cloud services (compute, networking, storage, identity) - Proficiency with Infrastructure as Code (Terraform) - Solid experience building and maintaining CI/CD pipelines (GitHub Actions) - Hands-on experience with container orchestration (Kubernetes, Docker) - Proficiency in scripting and automation (Python, Bash, or similar) - Understanding of networking fundamentals, security best practices, and...

Digital Delivery Manager £700 per day (Umbrella) | Inside IR35 | 6-Month Contract | DV Cleared | Hybrid (London/Northwood)   Overview A leading government defence organisation is seeking an experienced Digital Delivery Manager to lead the successful delivery of critical digital and technology programmes within a highly secure environment. The chosen candidate must have DV clearance, coupled with experience working within a multidisciplinary team interacting with End Users across Digital products, ideally within the defence sector who is happy to travel onsite 2 to 3 days per week in London.   The successful candidate will possess a strong background delivering complex digital transformation initiatives within defence, national security, government, aerospace, or other highly regulated sectors.   Key Responsibilities Lead the end-to-end delivery of digital projects and services. Develop and maintain delivery plans, schedules, milestones, and reporting frameworks. Manage project...

Hays are now looking for a Java Developer on a 12 month contract. The client requires all candidates to already hold SC Clearance and NPPV3. £428 Inside IR35 Mainly Remote (once a month in Bridgend or Reading) Candidates must hold current NPPV3 & SC Clearance 12 month contract Our client is building a team to support and maintain a critical national policing system used across the UK. This role focuses on Level 3 support, troubleshooting, and ongoing development of legacy Java-based applications in a highly collaborative environment.Working closely with Support, Platform, and DBA teams, you will play a key role in ensuring system stability, implementing enhancements, and resolving complex technical issues. What You'll Be Doing Provide Level 3 support for a business-critical national system Troubleshoot, diagnose, and resolve production issues Maintain, enhance, and support legacy Java-based applications Develop, refactor, and implement automated tests Design, build, and test...

Solution Architect - Smarter Bidding Programme Circa £750/day (inside IR35) Central London - 3x per week onsite 4-6 month contract We are representing a well renowned company in the midst of transformation and change who are looking for a Solutions Architect to join their high-performing team and support a large, international programme. As the Solutions Architect, you will be working on a 'Smarter Bidding' programme, a strategic initiative focused on replacing fragmented, Excel-driven bidding and pipeline processes with a modern workflow and performance management platform. You will be key to designing end-to-end tech & solution designs and contribute to the business' evolution of architecture patterns, standards, and best practises and, ultimately, uplift the maturity of the architecture function. We are looking for: Proven experience within a Solutions Architecture position Expertise in bid management, pipeline management, tendering, or operational workflows - ideally...

Platform Engineer (AWS / Databricks) London (Hybrid) 6 Month Contract £600/day (Inside IR35) Platform Engineer needed with strong AWS, Databricks and Unity Catalog experience. Start ASAP in June/July 2026. 6 Month Rolling Contract based in London (Hybrid), with occasional travel to the Leeds office. Hybrid Working - 3-4 days/week remote (WFH) + 1-2 days/week working from the office in London. A chance to work with a leading global IT transformation business specialising in large-scale Government projects: Supporting secure integration between AWS hosted data sources, Databricks workspaces and downstream enterprise data platforms. Design and support secure integration across AWS S3, Databricks and downstream data platforms. Strong hands-on experience with AWS IAM, S3, KMS and secure cloud access patterns. Hands-on Databricks on AWS experience, including Hive Metastore, Delta tables, SQL Warehouse and workspace access controls. Practical Unity Catalog experience,...